| 1 | 5312-11-8 | 1-Propanol,3-(phenylmethoxy)-, 1-acetate | C12H16O3 | 208.25364 | | |
| 2 | 5312-15-2 | 1,2,4-Triazolidine-3,5-dione, 4-(chloromethyl)-1,2-bis(1-methylethyl)- | C9H16ClN3O2 | 233.7 | | |
| 3 | 5312-20-9 | 4-Heptanone, 3-[2-(acetyloxy)ethoxy]- | C11H20O4 | 216.27 | | |
| 4 | 5312-23-2 | 1,4-Dioxin, 2,3-dihydro-5-propyl- | C7H12O2 | 128.17 | | |
| 5 | 5312-73-2 | DICHLOROMETHYL N-BUTYL ETHER | C5H10Cl2O | 157.04 | | |
| 6 | 5312-86-7 | 8-Nonene-2,5-dione | C9H14O2 | 154.20626 | | |
| 7 | 5312-97-0 | 2,5-Dimethoxybenzonitrile | C9H9NO2 | 163.17 | 81-85 °C (lit.) | |
| 8 | 53120-07-3 | phosgene-13c solution | 13COCl2 | | | |
| 9 | 53120-18-6 | Methyl, carboxy[4-(1,1-dimethylethyl)phenyl]- (9CI) | C12H15O2* | 191.2463 | | |
| 10 | 53120-23-3 | ANTIMONY PHOSPHIDE | PSb | 152.73 | | |
| 11 | 53120-26-6 | E,Z-3,13-OCTADECADIENYLACETATE | C20H36O2 | 308.5 | | |
| 12 | 53120-27-7 | Z,Z-3,13-OCTADECADIENYLACETATE | C20H36O2 | 308.5 | | |
| 13 | 53120-53-9 | 2-adaMantyl chloroforMate | C11H15ClO2 | 214.69 | | |
| 14 | 53120-57-3 | (1r,3r,5r,7r)-tetraMethyl 2,6-dioxoadaMantane-1,3,5,7-tetracarboxylate | C18H20O10 | 396.35 | | |
| 15 | 53120-74-4 | 3,3-Dimethylpentane-1,5-diol | C7H16O2 | 132.2 | 44.24°C (estimate) | |
| 16 | 53121-23-6 | 2-Butene, 1-iodo-, (Z)- | C4H7I | 182 | | |
| 17 | 53121-32-7 | 1,2-Cyclopropanedicarbaldehyde | C5H6O2 | 98.1 | | |
| 18 | 53121-36-1 | Cyclopentanol, 1-ethynyl-2-(methylamino)- (9CI) | C8H13NO | 139.19 | | |
| 19 | 53121-39-4 | Dichlorophosphinic acid hexyl ester | C6H13Cl2O2P | 219.05 | | |
| 20 | 53121-41-8 | Dichlorophosphinic acid octyl ester | C8H17Cl2O2P | 247.1 | | |
| 21 | 53121-59-8 | PHENYL-PHOSPHONOTHIOIC ACID PROPYL ESTER | C9H13O2PS | 216.237081 | | |
| 22 | 53121-99-6 | (1-Aminoethyl)phosphonic acid bis(trimethylsilyl) ester | C8H24NO3PSi2 | 269.43 | | |
| 23 | 53122-00-2 | [α-[(Trimethylsilyl)amino]phenethyl]phosphonic acid bis(trimethylsilyl) ester | C17H36NO3PSi3 | 417.7 | | |
| 24 | 53122-01-3 | (5Z,13E,15S)-15-[(Trimethylsilyl)oxy]-9-oxo-5,10,13-prostatrien-1-oic acid methyl ester | C24H40O4Si | 420.66 | | |
| 25 | 53122-02-4 | (5Z,13E,15S)-15-[(Dimethylsilyl)oxy]-9-oxo-5,10,13-prostatrien-1-oic acid methyl ester | C23H38O4Si | 406.63 | | |
| 26 | 53122-04-6 | (5Z,13E,15S)-15-[[(tert-Butyl)dimethylsilyl]oxy]-9-oxo-5,10,13-prostatrien-1-oic acid methyl ester | C27H46O4Si | 462.74 | | |
| 27 | 53122-18-2 | 1-(5-Fluoro-pentyl)-1H-indole-3-carboxylic acid (1-carbaMoyl-2-Methyl-propyl)-aMide | C18H23ClN2O6S | 430.9 | | |
| 28 | 53122-84-2 | N-hydroxysuccinimidyl-4-azidobenzoyl glycine | | | | |
| 29 | 53123-38-9 | Hexanedioicacid,polymerwith1,3-diisocyanatomethylbenzene,1,2-ethanediol,1,2-propanedioland1,2,3-propanetriol | (C9H6N2O2.C6H10O4.C3H8O3.C3H8O2.C2H6O2)x | | | |
| 30 | 53123-67-4 | SORBITOL PENTAACRYLATE | C21H24O11 | 452.41 | | |
| 31 | 53123-81-2 | 9,10-dihydro-9,10-dioxoanthracenedisulphonic acid | C14H8O8S2 | 368.33852 | | |
| 32 | 53123-84-5 | ACETYLATEDDISTARCHGLYCEROL | | | | |
| 33 | 53123-88-9 | Sirolimus | C51H79NO13 | 914.19 | 183-185°C | Soluble in DMSO at 50mg/ml or methanol at 25mg/mlSoluble in alcohol, dimethyl sulfoxide and dimethyl formamide. Insoluble in water. |
| 34 | 53124-00-8 | Starch, hydrogen phosphate, 2-hydroxypropyl ether | C44 H79 O35 P | | | |
| 35 | 53124-23-5 | nitroammophos | | | | |
| 36 | 53124-74-6 | Cationic Blue M-RL | | | | |
| 37 | 53124-85-9 | hemoglobin Heathrow | | | | |
| 38 | 53125-14-7 | STEROXSK | | | | |
| 39 | 53125-22-7 | URANIUMORE | | | | |
| 40 | 53125-38-5 | DOWEX MARATHON MSA ANION EXCHANGE RESIN | | | | |
| 41 | 53125-66-9 | dibismuth zirconium pentaoxide | Bi2O5Zr+4 | 589.18176 | | |
| 42 | 53125-86-3 | SODIUM TUNGSTATE | | | | |
| 43 | 53126-05-9 | Phosphoric acid, pentyl ester, potassium salt | C5H11K2O4P | 244.308801 | | |
| 44 | 53126-06-0 | Phosphoric acid, butyl ester, potassium salt | C4H9K2O4P | 230.282221 | | |
| 45 | 53126-24-2 | aerolysin | | | | |
| 46 | 53126-63-9 | satratoxin G | C29H36O10 | 544.59 | | |
| 47 | 53126-64-0 | satratoxin H | C29H36O9 | 528.59 | | |
| 48 | 53126-67-3 | Phosphoric acid, butyl ester, sodium salt | C4H9Na2O4P | 198.065161 | | 61mg/L at 20℃ |
| 49 | 53126-98-0 | ADVASTAB52 | | | | |
| 50 | 53127-03-0 | Phosphoric acid, butyl ester, ammonium salt | C4H17N2O4P | 188.162541 | | |
| 51 | 53127-78-9 | N-((Trimethylsilyl)oxy)butyrimidamide | C7H18N2OSi | 174.32 | | |
| 52 | 53129-00-3 | NSC359557 | C15H19NO3 | 261.31626 | | |
| 53 | 53129-03-6 | 1H-Benzo[a]cyclopenta[f]quinolizinium, 2,3,5,6-tetrahydro-8,9-dimethoxy-1-oxo-, perchlorate (9CI) | C18H18ClNO7 | 395.79 | | |
| 54 | 53129-28-5 | [2-[2-(2-Phenoxyethoxy)ethoxy]ethyl]phenyl ether | C18H22O4 | 302.36 | | |